var arr = [
    'www.meitulu.com/今野杏南_anna-konno/100_美胸_美乳_诱惑_3002_6',
    'www.meitulu.com/今野杏南_anna-konno/51_学生妹_制服_乙女_239_6',
    'www.meitulu.com/今野杏南_anna-konno/40_爆乳_诱惑_少妇_1421_6',
    'www.meitulu.com/今野杏南_anna-konno/100_爆乳_美胸_萌妹子_养眼_1363_6',
    'www.meitulu.com/今野杏南_anna-konno/94_诱惑_制服_护士_大尺度_1100_6',
    'www.meitulu.com/今野杏南_anna-konno/67_爆乳_美胸_诱惑_少妇_1786_6',
    'www.meitulu.com/今野杏南_anna-konno/102_美胸_美乳_性感_诱惑_1096_6',
    'www.meitulu.com/今野杏南_anna-konno/89_爆乳_美胸_日本美女_性感_少妇_4075_6',
    'www.meitulu.com/今野杏南_anna-konno/90_爆乳_诱惑_制服_少妇_OL_280_6',
    'www.meitulu.com/今野杏南_anna-konno/34_少妇_诱惑_妩媚_日本美女_床照_8464_8',
    'www.meitulu.com/今野杏南_anna-konno/100_爆乳_美胸_巨乳_诱惑_妩媚_1400_6',
    'www.meitulu.com/今野杏南_anna-konno/100_爆乳_美胸_户外_3061_6',
    'www.meitulu.com/今野杏南_anna-konno/194_户外_清新_少妇_唯美_气质_日本美女_养眼_4055_8',
    'www.meitulu.com/今野杏南_anna-konno/40_美胸_养眼_户外_1401_6',
    'www.meitulu.com/今野杏南_anna-konno/88_妩媚_少妇_美胸_性感_1106_6',
    'www.meitulu.com/今野杏南_anna-konno/64_日本美女_性感_妩媚_诱惑_美胸_8462_8',
    'www.meitulu.com/今野杏南_anna-konno/100_泳装_户外_美乳_美胸_3143_6'
];

sort(arr, compare);

function sort(arr, compare) {
    for (let i = 0; i < arr.length - 1; i++) {
        for (let j = i + 1; j < arr.length; j++) {
            if (compare(arr[i], arr[j])) {
                tmp = arr[i];
                arr[i] = arr[j];
                arr[j] = tmp;
            }
        }
    }
}
console.log(arr);

function compare(item1, item2) {
    let str1 = parseInt(item1.split(/anna-konno\//)[1].split(/_/)[0]),
        str2 = parseInt(item2.split(/anna-konno\//)[1].split(/_/)[0])
    if (str1 == str2) {
        return item1.localeCompare(item2) == 1;
    } else {
        return str1 > str2
    }
}